Cooler Master Cosmos S ATX Full Tower Case Black- (RC-1100-KKN1-GP) 5.25 Drive Bay 7 (Exposed), 3.5 Drive Bay 4 (Hidden, converted from 3x5.25 drive bays) I/O Panel - USB 2.0 x 4, IEEE 1394 x 1, eSATA x 1, MIC x 1, and Audio x 1 (support Intel HD / AC 97 audio) Cooling System Front fan (intake) - one 120x120x25mm, 1200 rpm, and 17 dBA Top fan (exhaust) - one 120x120x25mm, 1200 rpm, and 17 dBA Rear fan (exhaust) - one 120x120x25mm, 1200 rpm, and 17 dBA